#include <stdio.h>
#include <stdlib.h>

int
foo (register int n)
{
  register int i;
  register int a = n * 1;
  register int b = n * 2;
  register int c = n * 3;
  register int d = n * 4;
  register int e = n * 5;

  for (i = 0; i < n; i++)
    {
      if (i & 1)  a = b + c; else a = c + e;
      if (i & 2)  b = c + d; else b = d + a;
      if (i & 4)  c = d + e; else c = e + b;
      if (i & 8)  d = e + a; else d = a + c;
      if (i & 16) e = a + b; else e = b + d;
    }

  return a + b + c + d + e;
}


int
main (int argc, char **argv)
{
  if (argc == 2)
    printf ("%d\n", foo (atoi (argv[1])));
}